Where,
I0 =maximum at resonance
At resonance, we have

Where,
ωR = Resonanceangular frequency

∴Resonantfrequency, 
And, maximum current 
(b) Maximumaverage power absorbed by the circuit is given as:

Hence, resonant frequency (
) is 
(c) Thepower transferred to the circuit is half the power at resonant frequency.
Frequenciesat which power transferred is half, = 

Where,

Hence, change in frequency, 
∴
And 
Hence, at 648.22 Hz and 678.74 Hzfrequencies, the power transferred is half.
At these frequencies, currentamplitude can be given as:

(d) Q-factorof the given circuit can be obtained using the relation, 

Hence, the Q-factor of the givencircuit is 21.74.